Action Taken When the DTC Sets
P0601, P0602, P0603, P0604
- DTCs P0601, P0603, P0604 are Type A DTCs.
- The TCM commands maximum line pressure.
- The TCM forces the torque converter clutch (TCC) OFF.
- The TCM inhibits TCC engagement.
- The TCM freezes transmission adaptive functions.
- The TCM commands an immediate landing to 2nd gear.